英语词组on the alert是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	on the alert
释义	on the alertadj. phr.Alert; watchful; careful. 警惕的；密切注意的；小心的。◆ Campers must be on the alert for poison ivy and poison oak.野营者必须密切注意气根毒藤和栎叶毒漆树。
随便看	turn color turn down turn for the worse turn in turn in one's grave turn in one's grave or turn over in one's grave turn it up a notch turn off turn of the screw turn of the tide turn on turn on a dime turn one's back on turn one's hand to turn one's nose up at turn on one's heel turnout turn out turnover turn over turn over a new leaf turn over in one's grave turn over in one's grave turn over in one's mind turn sb.'s head

英语词组固定搭配大全包含9718条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。